Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/test/ui/borrowck/index-mut-help.stderr b/src/test/ui/borrowck/index-mut-help.stderr
new file mode 100644
index 000000000..057c6ee15
--- /dev/null
+++ b/src/test/ui/borrowck/index-mut-help.stderr
@@ -0,0 +1,28 @@
+error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable
+  --> $DIR/index-mut-help.rs:11:5
+   |
+LL |     map["peter"].clear();
+   |     ^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
+   |
+   = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
+
+error[E0594]: cannot assign to data in an index of `HashMap<&str, String>`
+  --> $DIR/index-mut-help.rs:12:5
+   |
+LL |     map["peter"] = "0".to_string();
+   |     ^^^^^^^^^^^^ cannot assign
+   |
+   = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
+
+error[E0596]: cannot borrow data in an index of `HashMap<&str, String>` as mutable
+  --> $DIR/index-mut-help.rs:13:13
+   |
+LL |     let _ = &mut map["peter"];
+   |             ^^^^^^^^^^^^^^^^^ cannot borrow as mutable
+   |
+   = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<&str, String>`
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0594, E0596.
+For more information about an error, try `rustc --explain E0594`.